Finding the Fourth Proportional to 197,534.55, 272,599.32 and 115,911.62
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Solution
The fourth proportional to 197,534.55, 272,599.32 and 115,911.62 is: 159,958.99
Step by Step Solution
- Step 1: Write the proportion equation
197,534.55 : 272,599.32 = 115,911.62 : x - Step 2: Convert to fraction form
197,534.55/272,599.32 = 115,911.62/x - Step 3: Cross multiply
197,534.55x = 272,599.32 × 115,911.62 - Step 4: Simplify right side
197,534.55x = 31,597,427,429.10 - Step 5: Solve for x
x = 31,597,427,429.10/197,534.55 - Step 6: Final answer
x = 159,958.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.